(2) A reporter wants to know what proportion of pizza restaurants that are primarily for walk-in business have a salad bar. A random sample of 454 of these restaurants across the US is selected and contacted and 362 report having a salad bar. (a) Check the four conditions (representative, independent, 10%, normal) are satisfied including a justification of why each condition is satisfied. (b) Find a 95% confidence interval for the proportion of walk-in pizza restaurants what have a salad bar. Remember to show your work! (C) Interpret the meaning of your margin of error in terms of the problem. (d) Someone claims 60% of walk-in pizza restaurants have salad bars. Based on your confidence interval, is this claim plausible? Why or why not?

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Q: knowing

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A:

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